In 2010, Dung joined the IT industry and worked as a manager at Vnext Software. He became a Director at DEHA Software in 2015, where he spent more than 10 years working for providing Japanese companies with IT development outsourcing services, especially in the mobile application development field. He is experienced in a range of mobile app development, and with his significant skill and knowledge, he became a Mobile Leader at Est rouge Technologies in 2018. He is not only a passionate leader but his charisma and character have helped his team stay positive and encourage their creativity and motivation even under high pressure.